Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
14 Cards in this Set
- Front
- Back
Capsule-
|
bacteria producing an outer covering
|
|
Glycocalyx
|
when a capsule consists of a fuzzy coat of sticky sugars
|
|
Pili
|
short hair like protein structures found on surface of some bacteria
|
|
Endospore
|
dormant structure that is produced by some Gram-positive bacterial
|
|
Saprophytes
|
Heterotrophic bacteria that feed on dead & decaying material for energy
|
|
Photoautotrophs
|
- bacteria that use sunlight as an energy (cyanobacteria)
|
|
Obligate anaerobes
|
bacteria that cannot survive in presence of oxygen
|
|
Facultative anaerobes
|
can live w/ or w/o oxygen
Ex. E.coli |
|
Obligate Aerobes
|
bacteria that cannot survive w/o oxygen
Ex. Mycobacterium tuberculosis |
|
Thermophilic
|
bacteria that grows best in temps b/w 40 celsius & 110 Celsius
|
|
Transformation
|
bacterial cell takes in DNA from its external environment
New DNA substituted for similar DNA in chromosome |
|
Conjugation
|
process by which two living bacteria bind together & one bacterium transfers genetic info to other
|
|
Transduction
|
virus obtains a fragment of DNA from a host bacterium & gives it to other bacteria
|
|
Conjugation Bridge
|
passageway for transfer of genetic info
|